Light earthquake, 4.6 mag was detected near Namie in Japan

A light earthquake with magnitude 4.6 (ml/mb) was detected on Tuesday, 33 kilometers (21 miles) from Namie in Japan. Exact location, longitude 141.3519° East, latitude 37.3847° North, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. The 4.6-magnitude earthquake has occurred at 08:23:17 / 8:23 am (local time epicenter). Unique identifier: us10007b9j. Ids that are associated to the event: us10007b9j. Global date and time of event UTC/GMT: 21/11/16 / 2016-11-21 23:23:17 / November 21, 2016 @ 11:23 pm.

Country/countries that might be effected, Japan (c. 127 288 000 pop). Earthquake epicenter was 56 km (35 miles) from Iwaki (c. 357 300 pop), 86 km (53 miles) from Kōriyama (c. 340 600 pop), 88 km (55 miles) from Fukushima-shi (c. 294 200 pop), 86 km (54 miles) from Sukagawa (c. 68 800 pop), 85 km (53 miles) from Kitaibaraki (c. 50 800 pop), 91 km (57 miles) from Iwanuma (c. 42 400 pop), 94 km (59 miles) from Shiroishi (c. 39 500 pop). Nearest cities/city/villages to epicentrum/hypocenter was Shiroishi, Takahagi, Ōkawara (min 5000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been nine, in the last 10 days ten, in the past 30 days thirteen and in the last 365 days seventy-one earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 33 km ESE of Namie, Japan.

More information

Parameter	Value	Description
Magnitude	4.6 mb	The magnitude for the event.
Longitude	141.3519° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	37.3847° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	33km ESE of Namie, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2016-11-21 23:23:17	Time when the event occurred. UTC/GMT
Updated	2016-11-21 23:48:52	Time when the event was most recently updated. UTC/GMT
Timezone offset	540	Timezone offset from UTC in minutes at the event epicenter.
Felt		The total number of felt reports
CDI		The maximum reported intensity for the event.
MMI		The maximum estimated instrumental intensity for the event.
Alert Level		The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status	reviewed	Indicates whether the event has been reviewed by a human.
Tsunami	0	This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG	326	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	us	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,us,	A comma-separated list of network contributors.
Number of Stations Used		The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.658	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.11 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	138	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mb	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us10007b9j	Id of event.
Event Code	10007b9j	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us10007b9j,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.6 mb

The magnitude for the event.

Longitude

141.3519° East

Decimal degrees longitude. Negative values for western longitudes.

Latitude

37.3847° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

10 km

Depth of the event in kilometers.

Place

33km ESE of Namie, Japan

Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.

Time

2016-11-21 23:23:17

Time when the event occurred. UTC/GMT

Updated

2016-11-21 23:48:52

Time when the event was most recently updated. UTC/GMT

Timezone offset

540

Timezone offset from UTC in minutes at the event epicenter.

Felt

The total number of felt reports

CDI

The maximum reported intensity for the event.

MMI

The maximum estimated instrumental intensity for the event.

Alert Level

The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.

Review Status

reviewed

Indicates whether the event has been reviewed by a human.

Tsunami

This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.

SIG

326

A number describing how significant the event is. Larger numbers indicate a more significant event.

Network

The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.

Sources

,us,

A comma-separated list of network contributors.

Number of Stations Used

The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.

Horizontal Distance

0.658

Horizontal distance from the epicenter to the nearest station (in degrees).

Root Mean Square

1.11 sec

The root-mean-square (RMS) travel time residual, in sec, using all weights.

Azimuthal Gap

138

The largest azimuthal gap between azimuthally adjacent stations (in degrees).

Magnitude Type

The method or algorithm used to calculate the preferred magnitude for the event.

Event Type

earthquake

Type of seismic event.

Event ID

us10007b9j

Id of event.

Event Code

10007b9j

An identifying code assigned by, and unique from, the corresponding source for the event.

Event IDS

,us10007b9j,

A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.6 mag was detected near Namie in Japan

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